Cisco Catalyst 2950 Hardware Installation Manual page 143

Appendix A Technical Specifications
Table A-6 Fiber-Optic Port Specifications for Catalyst 2950C-24, Catalyst 2950SX-24, and
Catalyst 2950 LRE Switches
Fiber-Port Power Levels
Optical transmitter
wavelength
Optical receiver sensitivity
for 50/125-micron cabling
Optical receiver sensitivity
for 62.5/125-micron
cabling
Optical transmitter power
for 50/125-micron cabling
Optical transmitter power
for 62.5/125-micron
cabling
1. nm = nanometers
2. SFP = small form-factor pluggable
3. dBm = decibel milliwatt
78-11157-05
Catalyst 2950C-24
1
1300 nm
–33.5 to
3
–11.8 dBm
–33.5 to
–11.8 dBm
–23.5 to –14 dBm
–20 to –14 dBm
Table A-7 Catalyst 2950 Switch Agency Approvals
Safety
UL/CSA 60950
IEC 60950/EN 60950
AS/NZS 3260, TS001
CE
Catalyst 2950 Desktop Switch Hardware Installation Guide
Catalyst 2950SX-24
850 nm
–13.5 dBm
–12.5 dBm
–9.5 to –4 dBm
–9.5 to –4 dBm
EMC
FCC Part 15 Class A
EN 55022: 1998 (CISPR22) Class A
EN 55024: 1998 (CISPR24)
VCCI Class A
AS/NZS 3548 Class A
CE
CNS 13438 Class A
MIC
Catalyst 2950ST-8 LRE,
2950ST-24 LRE, and
2950ST-24 LRE 997
The transmitter
wavelengths, receiver
sensitivities, and
transmitter power levels
2
are SFP -module
dependent. For this
information, refer to the
technical specifications
that came with your SFP
module.
A-7